Shipping Protection
Shipping Protection
Powerful waterproofing for leaks
Clear finish that keeps surface color
Easy brush-on DIY application
Durable, weather & UV resistant
30-Day Money Back Guarantee
BUNDLE & SAVE
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Shipping Protection
Product Details
Product Details
Coverage: 300g β 3β4 mΒ², 600g β 6β8 mΒ², 900g β 9β12 mΒ², 1200g β 12β16 mΒ² (approx., depends on surface and thickness).
Surfaces: Concrete, brick, tile, stone, cement board, grout, wood β for balconies, exterior walls, bathrooms, kitchens, window frames and roofs.
Key Features: Clear, non-yellowing finish, flexible waterproof film, indoor/outdoor use, easy DIY application with brush.
Use: Clean and dry the area, stir well, brush on thin even coats, let each coat dry fully and avoid water until fully cured (24β48 hours).
Shipping & Returns
Shipping & Returns
Shipping Time:Orders typically take 10-15 business days to ship, depending on the carrier. Please allow an additional 1-2 days for order preparation, quality control, processing, and tracking updates. Shipping to remote areas, islands, or sensitive products (such as liquids, chemicals, powders, branded items, or weapons) may take longer, up to 25-40 days.
Returns & Refunds:We offer a hassle-free return policy within 30 days of delivery. If there is a problem with your order such as a missing, damaged, or incorrect item, please contact our support team. We will provide a quick and efficient solution, including a refund or resend based on your request.
Our Guarantee to You
Our Guarantee to You
Your satisfaction is our top priority. We believe in the quality of our products and are dedicated to providing a seamless shopping experience.
30-Day Money-Back Guarantee: If your order doesn't meet your expectations, we offer a hassle-free return policy within 30 days of delivery for a refund or replacement.
We strive to ensure every order meets your expectations. If you're not satisfied, we'll make it right. Shop with confidence, knowing that quality and customer satisfaction are always guaranteed.
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I used this to seal off boards around our screen porch. I put 2 coats, it drys fast and easy clean up. Seems to be working great
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This product does what it claims. Reple water. I used it on cracks on the driveway, around the windows on the outside shed. Very easy to use and seals completely.
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Haven't had time to use this on all my brick yet but I did apply it to a small area to test. This stuff is a clear gel like substance and went on easily. When first applied it darkened the brick slightly but then lightened up after it dried. I put on a second coat (recommended per the instructions) and everything seemed fine. It does repel water and it didn't change the appearance of the brick. I'll finish the entire wall soon and hope that this stuff lasts at least a few years. Time will tell.
Stop Future Leaks with Qynblr Waterproof Coating
If youβre tired of chasing the same damp spots, bubbling paint and mystery drips, Qynblr is designed to break that cycle. This clear, brush-on coating forms a tough, flexible barrier that helps keep water out of hairline cracks, joints and porous surfaces while letting your brick, concrete, tile and wood keep their original look. Built for real-world DIY use, just clean and dry the area, brush on thin, even layers and let it cure β use it on balcony edges, window sills, exterior walls, roofs, steps and more wherever small leaks like to start. The coating moves with the surface instead of snapping or peeling, helping reduce new cracks, stains and mould β and every jar is backed by our 1-Year Leak Protection Warranty.
Waterproof protection on every surface
Qynblr uses a clear polyurethane formula that brushes on as a liquid and cures into a tough, flexible waterproof film, helping keep water out of hairline cracks and porous surfaces on brick, concrete, tile, wood and more. Just clean and dry the area, brush on thin, even layers straight from the jar and let it cure β the coating grips tightly and moves with the surface, making it easy for DIY users to get reliable leak protection without special tools or a contractor.
Why Qynblr Works on Almost Any Surface
Qynblrβs clear polyurethane formula is built for real homes β easy to brush on, strong enough to handle everyday weather, and gentle on the look of your surfaces.
Multi-Surface Formula
Grips onto brick, concrete, tile, stone and wood, so you can seal walls, floors, roofs and balconies with the same jar.
Clear, Non-Yellowing Finish
Dries to a transparent coat that doesnβt go cloudy or yellow, keeping the natural colour and texture of your surfaces.
Simple DIY Brush-On Use
Just clean and dry the area, brush on thin, even layers straight from the jar and let it cure β no mixing, no special tools, no contractor.
Flexible, Weather-Tough Film
Cures into a flexible waterproof layer that moves with small surface shifts and helps resist cracking, peeling and moisture over time.
Thousands use Qynblr. It works.
98%
of Qynblr users reported visible waterproofing results after the first application, helping stop leaks on walls, roofs and floors.
96%
said the coating is easy to apply without professional help β just brush it on and let it dry into a strong, clear protective layer.
90%
praised the natural, transparent finish that keeps the original look of wood, tile, stone and concrete without yellowing over time.
93%
confirmed long-lasting protection, with fewer cracks, peeling and mold even in harsh weather conditions.
Keeping your home dry and protected has never been easier. With Qynblr, you can waterproof almost any surface effortlessly β fast, simple and built to last.
Testimonials
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Handy little kit for fast patch jobs
Used this on a few spots where water was creeping through some siding seams. The waterproof agent spreads thin and dries clear, which is a win. Comes with all the basic tools, which saved me hunting around. Itβs not for major roofing jobs or big cracks, but for light sealing work, it does the trick nicely.
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Transparent Liquid Sealant
This invisible waterproof agent is beneficial because it's a protective barrier to your home. I add this sealant to prevent cracks. It's also a great sealant if you do have a crack, you may apply this sealant over it.
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Good product!
Used this to fill in some thin cracks in stucco. Has the consistency of wood glue or wallpaper paste. I put two coats, seem to dry clear, not really visible. I think it is working, but hard to be 100% sure without a big deluge. And not sure for how long? But so far, so good. Cleans up with soap and water. Only negative is container is hard to close securely, so I hope the remainder does not dry out until I need to use it again.
Upgrade your walls and keep every leak out.
Transform damp, problem areas with Qynblr β a clear, brush-on waterproof coating engineered for long-lasting protection. It penetrates hairline cracks, joints, and porous surfaces to form a flexible barrier that blocks water while keeping the original look of your wall, tile, concrete, or wood.
Use it on balconies, bathrooms, roofs, window frames, and exterior walls to stop seepage before it becomes damage. Once cured, Qynblr helps prevent peeling paint, damp stains, and mold so your surfaces stay clean, dry, and protected.
From the first brush stroke to the final invisible finish, Qynblr makes DIY waterproofing simple: just clean, dry, apply thin coats, and let it cure. Every project reflects lasting quality and care for your home.
30-Day Money Back Guarantee
Your satisfaction is our top priority. If for any reason youβre not completely happy with your Qynblr Waterproof Coating, just reach out to us within 30 days β weβll make it right or give you a full refund
Frequently Asked Questions
1. What surfaces can Qynblr Waterproof Coating be used on?
1. What surfaces can Qynblr Waterproof Coating be used on?
Qynblr is engineered for real-world versatility. You can use it on cement walls, balcony edges, roof tiles, bathroom tiles, brick, stone, wood, metal flashing, and many other porous building surfaces. Its clear, non-yellowing formula lets the original color and texture show through while forming a tough, invisible waterproof barrier.
2. How long does the coating take to dry completely?
2. How long does the coating take to dry completely?
In normal conditions, Qynblrβ’ dries to the touch in about 1β2 hours and reaches a full cure in roughly 24 hours. In cooler or more humid areas, allow extra time. For best results, keep the coated surface away from water or heavy moisture until it has fully cured.
3. Do I need a professional to apply the coating?
3. Do I need a professional to apply the coating?
Not at all. Qynblr is designed for easy DIY use. Just clean and dry the surface, then brush or roll on thin, even coats. It levels smoothly, making it perfect for quick home repairs, balcony and bathroom touch-ups, or small waterproofing projectsβno professional crew required.
4. Will the coating turn yellow, crack, or lose its effect over time?
4. Will the coating turn yellow, crack, or lose its effect over time?
No. Qynblr uses a flexible, UV-resistant and heat-resistant formula that stays clear and firmly bonded to the surface. Itβs built to resist yellowing, peeling, and cracking, even under strong sun, rain, and daily temperature changes, so your protection lasts season after season.
5. How much area does one 600g container cover?
5. How much area does one 600g container cover?
One 600g container of Qynblr typically covers about 5β7 mΒ² per coat, depending on how rough and absorbent the surface is. On very porous or damaged areas, we recommend applying two or more coats to build a stronger waterproof layer and ensure long-term leak protection.